.header{
    height: 495px;
    background: url("https://www.zcoolip.com/static/images/bg_blockchain.jpg") no-repeat -50px;
    background-size: cover;
}
.head-title{
    width: 50%;
    margin: auto;
}
.head-title p{
    color: rgb(255, 255, 255);
    text-align: center;
}
.head-title h2{
    font-weight: normal;
    font-size: 18px;
    text-align: center;
    line-height: 30px;
    margin-top: 8px;
}
.title{
    margin-bottom: 0;
}
.register{
    background-color: rgba(23, 131, 219, 0);
}
.register:hover{
    background-color: rgba(23, 131, 219, 0.3);
}
.p-up{
    font-size: 40px;
    line-height: 60px;
    font-weight: normal;
}
.p-mid,.p-down{
    font-size: 18px;
    line-height: 27px;
    margin-bottom: 8px;
}
.menu{
    width: 45%;
    margin: 18px auto;
    display: flex;
}
.menu a{
    flex: 1;
    text-align: center;
    font-size: 16px;
    color: #111111;
    text-decoration: none;
    font-weight: bold;
}
.menu a:hover{
    color: #40A9FF;
}
.simple{
    padding: 85px 0;
    background-color: #F5F7FA;
}
.simple p,.solution p,.vip p{
    padding-bottom: 70px;
    font-size: 28px;
    text-align: center;
    color: rgb(58, 61, 82);
}
.simple img,.solution img{
    width: 75%;
    display: block;
    margin: auto;
}
.solution{
    padding: 90px 0;
}
.vip{
    padding: 85px 0;
    background-color: #F5F7FA;
}
.vip img{
    width: 68%;
    display: block;
    margin: auto;
}
.chain-scale{
    padding: 90px 0;
    height: 415px;
}
.scalebox{
    width: 75%;
    margin: auto;
}
.scalebox img{
    display: block;
    float: left;
    width: 45%;
    margin-right: 10%
}
.scalebox-inner{
    float: left;
    width: 45%;
}
.scalebox-inner a{
    color: #0069E7;
    text-decoration: none;
    font-size: 14px;
    padding-right: 20px;
}
.scalebox-inner a:hover{
    text-decoration: underline;
}
.scale-title{
    font-size: 28px;
    text-align: center;
    color: rgb(40, 44, 71);
}
.scale-descp{
    padding-top: 10px;
    padding-bottom: 60px;
    font-size: 14px;
    text-align: center;
    color: rgb(96, 108, 128);
}
.p-title{
    font-size: 18px;
    font-weight: bold;
    line-height: 25px;
}
.p-content{
    font-size: 14px;
    line-height: 30px;
}
.question{
    padding: 85px 0;
    background-color: #F5F7FA;
    /* height: 600px; */
}
.question-content{
    border-bottom: 1px solid #E2E4E7;
    width: 55%;
    margin: auto;
}
.question-content a{
    display: block;
    color: black;
    text-decoration: none;
}
.question-title{
    padding: 24px 0px 18px 16px;
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.question-title p{
    font-size: 18px;
    flex: 49;
}
.question-title img{
    color: black;
    font-size: 14px;
    flex: 1;
}
.hid-content p{
    font-size: 14px;
    line-height: 28px;
    padding-left: 50px;
    padding-bottom: 20px;
}
.hid-content{
    display: none;
}